.content{
    display: flex;
    flex-direction: row;
}
.left_nav{
    width: 12%;
    margin-right: 1.25rem;
}
.right_content{
    width: 80%;
}
.block{
    width: 100%;
}
.add_btn{
    width: 50%;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}
.avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409EFF;
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    line-height: 178px;
    text-align: center;
  }
  .avatar {
    width: 178px;
    height: 178px;
    display: block;
  }
  .txt_input{
      margin: .375rem 0;
  }